Use the water method with the stock bolt,,will get the fixed end off the crank and will make it 10 times easier to easy out. had this same thing happen a few years ago on a buddys rev n last year i had the stock bolt stress break while i was riding,,ruined my primary from launching off at 50+ k n hr
new fuel injected 450, 8-9000,timersled kit 5000,turbo 4200.. but it would be sick. Search Regan Sieg on utube he's got some killer vids with a snowbike.. If i rode one I could see myself buyin one.